/*
 * Copyright 2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.pajamas.daydream.wrapper.commons.jackson;

import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.SerializationConfig;
import com.fasterxml.jackson.databind.ser.BeanPropertyWriter;
import com.fasterxml.jackson.databind.ser.BeanSerializerModifier;

import org.pajamas.daydream.wrapper.commons.ImmutableWrapper;
import org.pajamas.protocol.Wrapper;

import java.util.List;

/**
 * @author william
 * @since 2023/12/31
 */

public class ImmutableWrapperBeanSerializerModifier extends BeanSerializerModifier {
    @Override
    public List<BeanPropertyWriter> changeProperties(SerializationConfig config,
                                                     BeanDescription beanDesc,
                                                     List<BeanPropertyWriter> beanProperties) {
        for (int i = 0; i < beanProperties.size(); ++i) {
            final BeanPropertyWriter writer = beanProperties.get(i);
            JavaType type = writer.getType();

            Object empty;
            if (type.isTypeOrSubTypeOf(Wrapper.class)) {
                empty = ImmutableWrapper.empty();
            } else {
                continue;
            }
            beanProperties.set(i, new CommonsWrapperBeanPropertyWriter(writer, empty));
        }
        return beanProperties;
    }
}
